Iozone: Performance Test of File I/O Version $Revision: 3.483 $ Compiled for 64 bit mode. Build: linux-AMD64 Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR, Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa, Alexey Skidanov, Sudhir Kumar. Run began: Tue Dec 24 23:01:41 2024 Auto Mode Machine = Linux oleg446-client.virtnet 3.10.0-7.9-debug #1 SMP Sat Mar 26 23:2 Excel chart generation enabled Excel chart generation enabled Verify Mode. Pattern dbdbdbdb Performance measurements are invalid in this mode. Using maximum file size of 102400 kilobytes. Using Maximum Record Size 512 kB Command line used: iozone -a -M -R -V 0xab -g 100M -q 512k -i0 -i1 -f /mnt/lustre/d4.lustre-rsync-test/d0.iozone-oleg446-client.virtnet/iozone-file Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 64 4 16602 22801 399573 297664 64 8 23417 47799 889431 955947 64 16 31889 69420 1049372 863676 64 32 33808 95535 1226821 1679761 64 64 38071 119847 1562436 1599680 128 4 21355 24796 361576 381082 128 8 32008 50735 535368 568836 128 16 47074 90263 1162547 824932 128 32 61746 132928 1162547 1303699 128 64 63937 142678 1421023 1406136 128 128 64413 179028 1802755 2511022 256 4 23999 30743 346837 389770 256 8 37602 45526 889002 536654 256 16 65091 81530 945356 992545 256 32 79975 136092 1117543 1561112 256 64 96787 165910 1422540 1354356 256 128 71712 194525 1629830 1842366 256 256 94637 308829 2170027 2030503 512 4 25137 28836 373683 351654 512 8 41457 54695 619799 629058 512 16 61971 84100 893368 891884 512 32 89636 125248 1276891 1207940 512 64 109099 187490 1042566 951980 512 128 101869 194152 1306409 1492545 512 256 135635 234114 2152206 1917728 512 512 117138 291073 2198475 2114069 1024 4 26412 29814 421579 379119 1024 8 44073 54079 616490 763711 1024 16 66575 83057 937805 461883 1024 32 100146 130558 1199106 1147832 1024 64 103068 175435 1414304 1456510 1024 128 143640 194899 1577984 1607514 1024 256 122780 229913 1635675 1622698 1024 512 153381 268204 1648862 1991355 2048 4 27159 27320 344247 383516 2048 8 46898 51501 673466 664043 2048 16 72958 82143 842827 866287 2048 32 106449 126991 1138372 1042239 2048 64 132078 156791 1423162 1446164 2048 128 123626 208171 1444461 1565847 2048 256 144941 207477 1645012 1728076 2048 512 161769 242565 1682715 1768638 4096 4 27122 29786 376819 405943 4096 8 45408 53807 608076 660743 4096 16 77157 88474 909237 916758 4096 32 104577 118942 1201489 1247285 4096 64 144704 166104 1344719 1478626 4096 128 150720 175080 1618939 1461767 4096 256 175573 243258 1654964 1819553 4096 512 188981 244084 1723881 1710323 8192 4 28167 29145 397053 427398 8192 8 47511 52213 662192 692013 8192 16 74507 85626 1021310 947624 8192 32 113602 139568 1189502 1149124 8192 64 134522 178895 1529219 1524402 8192 128 171924 213327 1754945 1745584 8192 256 182715 239714 1553557 1726116 8192 512